Vivian Carmichael has been hiding in the San Bernardino Mountains for more than a year now. Far from video cameras and cell towers, she's finally found a safe place to raise her four-year old son, Cody. Until the night he crawls into bed and whispers two words that fill her with terror.

"Daddy's home."

Running for her life now, she horrified to learn that her estranged husband Jarod is not quite human anymore. Can she unravel the mystery of her family's dark secret, before he can kidnap her son and claim her as his next victim.